EP2694017A2 - Personal cleansing compositions with increased deposition of polyacrylate microcapsules - Google Patents
Personal cleansing compositions with increased deposition of polyacrylate microcapsulesInfo
- Publication number
- EP2694017A2 EP2694017A2 EP12719132.8A EP12719132A EP2694017A2 EP 2694017 A2 EP2694017 A2 EP 2694017A2 EP 12719132 A EP12719132 A EP 12719132A EP 2694017 A2 EP2694017 A2 EP 2694017A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- anionic
- personal cleansing
- cleansing composition
- microcapsule
- polyacrylate microcapsule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003094 microcapsule Substances 0.000 title claims abstract description 140
- 239000000203 mixture Substances 0.000 title claims abstract description 126
- 229920000058 polyacrylate Polymers 0.000 title claims abstract description 80
- 230000008021 deposition Effects 0.000 title claims abstract description 52
- 125000000129 anionic group Chemical group 0.000 claims abstract description 71
- 229920000642 polymer Polymers 0.000 claims abstract description 55
- 125000002091 cationic group Chemical group 0.000 claims abstract description 46
- 230000008901 benefit Effects 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 239000004094 surface-active agent Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 32
- 239000002245 particle Substances 0.000 claims description 31
- 239000012874 anionic emulsifier Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 23
- -1 nonionic Chemical group 0.000 claims description 22
- 229920001577 copolymer Polymers 0.000 claims description 20
- 229920002125 SokalanĀ® Polymers 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 6
- 235000010980 cellulose Nutrition 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 150000001253 acrylic acids Chemical class 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 239000000344 soap Substances 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 229920003169 water-soluble polymer Polymers 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004115 Sodium Silicate Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 235000019351 sodium silicates Nutrition 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 5
- 238000000151 deposition Methods 0.000 description 44
- 239000012071 phase Substances 0.000 description 38
- 239000003921 oil Substances 0.000 description 31
- 230000008569 process Effects 0.000 description 21
- 239000000243 solution Substances 0.000 description 14
- 239000003995 emulsifying agent Substances 0.000 description 13
- 239000003945 anionic surfactant Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 229920006317 cationic polymer Polymers 0.000 description 11
- 239000000523 sample Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000002304 perfume Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 8
- 239000000499 gel Substances 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 7
- 239000008346 aqueous phase Substances 0.000 description 7
- 239000002775 capsule Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 229920002472 Starch Polymers 0.000 description 6
- 230000003993 interaction Effects 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 229940083542 sodium Drugs 0.000 description 6
- 235000019698 starch Nutrition 0.000 description 6
- 238000010998 test method Methods 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
- 125000000217 alkyl group Chemical class 0.000 description 5
- 239000002280 amphoteric surfactant Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000003999 initiator Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000008107 starch Substances 0.000 description 5
- BEWCNXNIQCLWHP-UHFFFAOYSA-N 2-(tert-butylamino)ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCNC(C)(C)C BEWCNXNIQCLWHP-UHFFFAOYSA-N 0.000 description 4
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 240000003183 Manihot esculenta Species 0.000 description 4
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 4
- 239000004599 antimicrobial Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 210000000245 forearm Anatomy 0.000 description 4
- 239000003205 fragrance Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 239000002888 zwitterionic surfactant Substances 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- 244000303965 Cyamopsis psoralioides Species 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 230000000845 anti-microbial effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 239000008365 aqueous carrier Substances 0.000 description 3
- 230000027455 binding Effects 0.000 description 3
- 238000009739 binding Methods 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 239000003093 cationic surfactant Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 229920006037 cross link polymer Polymers 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- FGVVTMRZYROCTH-UHFFFAOYSA-N pyridine-2-thiol N-oxide Chemical compound [O-][N+]1=CC=CC=C1S FGVVTMRZYROCTH-UHFFFAOYSA-N 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 229920001059 synthetic polymer Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- WRMNZCZEMHIOCP-UHFFFAOYSA-N 2-phenylethanol Chemical compound OCCC1=CC=CC=C1 WRMNZCZEMHIOCP-UHFFFAOYSA-N 0.000 description 2
- 244000215068 Acacia senegal Species 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- 229920000084 Gum arabic Polymers 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000004909 Moisturizer Substances 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- XEFQLINVKFYRCS-UHFFFAOYSA-N Triclosan Chemical compound OC1=CC(Cl)=CC=C1OC1=CC=C(Cl)C=C1Cl XEFQLINVKFYRCS-UHFFFAOYSA-N 0.000 description 2
- 235000010489 acacia gum Nutrition 0.000 description 2
- 239000000205 acacia gum Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000005250 alkyl acrylate group Chemical group 0.000 description 2
- 150000008051 alkyl sulfates Chemical class 0.000 description 2
- 125000005233 alkylalcohol group Chemical group 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229940073507 cocamidopropyl betaine Drugs 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- GADGVXXJJXQRSA-UHFFFAOYSA-N ethenyl 8-methylnonanoate Chemical compound CC(C)CCCCCCC(=O)OC=C GADGVXXJJXQRSA-UHFFFAOYSA-N 0.000 description 2
- SFNALCNOMXIBKG-UHFFFAOYSA-N ethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCO SFNALCNOMXIBKG-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- KVWWIYGFBYDJQC-UHFFFAOYSA-N methyl dihydrojasmonate Chemical compound CCCCCC1C(CC(=O)OC)CCC1=O KVWWIYGFBYDJQC-UHFFFAOYSA-N 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 230000001333 moisturizer Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000007764 o/w emulsion Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229960002026 pyrithione Drugs 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical class OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 235000010413 sodium alginate Nutrition 0.000 description 2
- 239000000661 sodium alginate Substances 0.000 description 2
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- 229940079862 sodium lauryl sarcosinate Drugs 0.000 description 2
- 229940102541 sodium trideceth sulfate Drugs 0.000 description 2
- KLYDBHUQNXKACI-UHFFFAOYSA-M sodium;2-[2-(2-tridecoxyethoxy)ethoxy]ethyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O KLYDBHUQNXKACI-UHFFFAOYSA-M 0.000 description 2
- HVFAVOFILADWEZ-UHFFFAOYSA-M sodium;2-[2-(dodecanoylamino)ethyl-(2-hydroxyethyl)amino]acetate Chemical compound [Na+].CCCCCCCCCCCC(=O)NCCN(CCO)CC([O-])=O HVFAVOFILADWEZ-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- DIORMHZUUKOISG-UHFFFAOYSA-N sulfoformic acid Chemical compound OC(=O)S(O)(=O)=O DIORMHZUUKOISG-UHFFFAOYSA-N 0.000 description 2
- ICUTUKXCWQYESQ-UHFFFAOYSA-N triclocarban Chemical compound C1=CC(Cl)=CC=C1NC(=O)NC1=CC=C(Cl)C(Cl)=C1 ICUTUKXCWQYESQ-UHFFFAOYSA-N 0.000 description 2
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- 210000000707 wrist Anatomy 0.000 description 2
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 description 1
- 239000001147 (3aR,5aS,9aS,9bR)-3a,6,6,9a-tetramethyl-2,4,5,5a,7,8,9,9b-octahydro-1H-benzo[e][1]benzofuran Substances 0.000 description 1
- 229940098795 (3z)- 3-hexenyl acetate Drugs 0.000 description 1
- KRLBLPBPZSSIGH-CSKARUKUSA-N (6e)-3,7-dimethylnona-1,6-dien-3-ol Chemical compound CC\C(C)=C\CCC(C)(O)C=C KRLBLPBPZSSIGH-CSKARUKUSA-N 0.000 description 1
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 1
- OALYTRUKMRCXNH-UHFFFAOYSA-N (R)- Dihydro-5-pentyl-2(3H)-furanone Natural products CCCCCC1CCC(=O)O1 OALYTRUKMRCXNH-UHFFFAOYSA-N 0.000 description 1
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- YGFGZTXGYTUXBA-UHFFFAOYSA-N (Ā±)-2,6-dimethyl-5-heptenal Chemical compound O=CC(C)CCC=C(C)C YGFGZTXGYTUXBA-UHFFFAOYSA-N 0.000 description 1
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
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- TVFWYUWNQVRQRG-UHFFFAOYSA-N 2,3,4-tris(2-phenylethenyl)phenol Chemical class C=1C=CC=CC=1C=CC1=C(C=CC=2C=CC=CC=2)C(O)=CC=C1C=CC1=CC=CC=C1 TVFWYUWNQVRQRG-UHFFFAOYSA-N 0.000 description 1
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- KLFVDTRVIFNWIH-UHFFFAOYSA-N 2-[2-(2-tridecoxyethoxy)ethoxy]ethanol Chemical compound CCCCCCCCCCCCCOCCOCCOCCO KLFVDTRVIFNWIH-UHFFFAOYSA-N 0.000 description 1
- BMYCCWYAFNPAQC-UHFFFAOYSA-N 2-[dodecyl(methyl)azaniumyl]acetate Chemical compound CCCCCCCCCCCCN(C)CC(O)=O BMYCCWYAFNPAQC-UHFFFAOYSA-N 0.000 description 1
- JVTIXNMXDLQEJE-UHFFFAOYSA-N 2-decanoyloxypropyl decanoate 2-octanoyloxypropyl octanoate Chemical compound C(CCCCCCC)(=O)OCC(C)OC(CCCCCCC)=O.C(=O)(CCCCCCCCC)OCC(C)OC(=O)CCCCCCCCC JVTIXNMXDLQEJE-UHFFFAOYSA-N 0.000 description 1
- VMSBGXAJJLPWKV-UHFFFAOYSA-N 2-ethenylbenzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1C=C VMSBGXAJJLPWKV-UHFFFAOYSA-N 0.000 description 1
- 229940100555 2-methyl-4-isothiazolin-3-one Drugs 0.000 description 1
- ICIDSZQHPUZUHC-UHFFFAOYSA-N 2-octadecoxyethanol Chemical compound CCCCCCCCCCCCCCCCCCOCCO ICIDSZQHPUZUHC-UHFFFAOYSA-N 0.000 description 1
- WLYIIDKKPCXCLS-UHFFFAOYSA-N 3,4,5-tribromo-2-hydroxy-n-phenylbenzamide Chemical compound OC1=C(Br)C(Br)=C(Br)C=C1C(=O)NC1=CC=CC=C1 WLYIIDKKPCXCLS-UHFFFAOYSA-N 0.000 description 1
- GTNCESCYZPMXCJ-UHFFFAOYSA-N 3-Phenylpropyl propanoate Chemical compound CCC(=O)OCCCC1=CC=CC=C1 GTNCESCYZPMXCJ-UHFFFAOYSA-N 0.000 description 1
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 1
- 229940100484 5-chloro-2-methyl-4-isothiazolin-3-one Drugs 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 244000247812 Amorphophallus rivieri Species 0.000 description 1
- 235000001206 Amorphophallus rivieri Nutrition 0.000 description 1
- 244000144725 Amygdalus communis Species 0.000 description 1
- 235000011437 Amygdalus communis Nutrition 0.000 description 1
- 241001081972 Arctium medians Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000195940 Bryophyta Species 0.000 description 1
- 235000017399 Caesalpinia tinctoria Nutrition 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 240000008886 Ceratonia siliqua Species 0.000 description 1
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- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- IUSBVFZKQJGVEP-UHFFFAOYSA-N trans-isoeugenol acetate Natural products COC1=CC(C=CC)=CC=C1OC(C)=O IUSBVFZKQJGVEP-UHFFFAOYSA-N 0.000 description 1
- XMLSXPIVAXONDL-UHFFFAOYSA-N trans-jasmone Natural products CCC=CCC1=C(C)CCC1=O XMLSXPIVAXONDL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229960003500 triclosan Drugs 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 229960000281 trometamol Drugs 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 229940043810 zinc pyrithione Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 description 1
- 229930007850 Ī²-damascenone Natural products 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/10—Washing or bathing preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/11—Encapsulated compositions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
- A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/596—Mixtures of surface active compounds
Definitions
- the present invention relates to personal cleansing compositions containing polyacrylate microcapsules, wherein the polyacrylate microcapsules have increased deposition onto hair and/or skin.
- benefit agents such as perfumes, moisturizers, and skin care agents
- One method of achieving this objective is to encapsulate such benefit agents in microcapsules. While these microcapsules are able to encapsulate a wide variety of benefit agents and deliver them to the desired situs, it is still difficult to improve the retention and delivery efficiencies of such benefit agents. Such agents may be lost due to the agents' physical or chemical characteristics, or such agents may be incompatible with other compositional components or the situs that is being treated. Consumers today desire personal cleansing compositions that deposit and retain encapsulated benefit agents onto hair and/or skin, even after an extended period of time.
- One known method for improving the deposition of microcapsules onto the situs during treatment involves the use of certain cationic deposition polymers. However, this alone does not necessarily ensure adequate deposition of microcapsules.
- a personal cleansing composition that provides an increased deposition of encapsulated benefit agents.
- a polymer system that associates with microcapsule surfaces, and that when sheared, allows the encapsulated benefit agents to be released.
- a personal cleansing composition that provides an increased retention of encapsulated benefit agents onto the situs for an extended period of time.
- a personal cleansing composition comprising: from about 0.001% to about 10% of an anionic charged polyacrylate microcapsule; from about 0.01% to about 2% of a cationic deposition polymer; from about 2% to about 50% of a detersive surfactant; and a carrier.
- a method of making a personal cleansing composition wherein the composition is formed by a process comprising the steps of: coating a polyacrylate microcapsule with an anionic emulsifier to form an anionic polyacrylate microcapsule; combining the anionic polyacrylate microcapsule with a cationic deposition polymer to form a premix; adding the premix to a detersive composition comprising surfactant and a carrier.
- a method of making a personal cleansing composition wherein the composition is formed by a process comprising the steps of: coating a polyacrylate microcapsule with an anionic emulsifier to form an anionic polyacrylate microcapsule; combining the anionic polyacrylate microcapsule with a cationic deposition polymer to form a premix; adding the premix to an anionic surfactant; adding the resulting composition of step (c) to a detersive composition comprising surfactant and a carrier.
- the term "personal cleansing compositionā includes, unless otherwise indicated, any personal cleansing composition that can be applied to the keratinaceous surfaces of the body including the skin and/or hair.
- the personal cleansing compositions can be, for example, formulated as cleaning bars, liquids, emulsions, shower gels, powders, sticks, pastes, mouthwashes, foam baths, shave prep products, and devices used for shaving.
- fluid includes liquids and gels.
- microcapsule As used herein, the terms āmicrocapsule,ā āencapsulated benefit agents,ā and āsolid particulates,ā refers to polyacrylate microcapsules.
- premix refers to the combination of anionic polyacrylate microcapsules with cationic deposition polymers.
- the term "situsā includes hair and skin.
- test methods disclosed in the Test Methods Section of the present application should be used to determine the respective values of the parameters of Applicants' inventions.
- component or composition levels are in reference to the active portion of that component or composition, and are exclusive of impurities, for example, residual solvents or by-products, which may be present in commercially available sources of such components or compositions.
- anionic emulsifiers and polyacrylate microcapsules, resulting in anionic polyacrylate microcapsules.
- anionic microcapsules When such anionic microcapsules are mixed with cationic deposition polymers, microstructures are formed at the surface of the anionic polyacrylate.
- Such anionic microstructures display high viscoelasticity, remain in tact even upon dilution during cleansing, and display strong adhesion to keratinaceous hair and/or skin surfaces. Combined with cleansing compositions, these properties result in improved delivery efficiency of the encapsulated benefit agents to hair and/or skin.
- the personal cleansing compositions comprising anionic polyacrylate microcapsules, along with specific cationic deposition polymers, delivers a higher deposition rate than personal cleansing compositions containing non-anionic polyacrylates.
- anionic polyacrylate microcapsules with specific cationic deposition polymers also have a higher retention rate on the situs even over an extended period of time.
- Applicants surprising discovery of adding anionic emulsifier to microcapsules to form anionic microcapsules can be accomplished by either: (1) adding the anionic emulsifier to an already formed microcapsule or (2) allowing the anionic emulsifier to associate with the microcapsule surface during the microcapsule making process. Once formed, the anionic polyacrylate microcapsules are combined with the specific cationic polymer(s) chosen to form a premix for addition to an anionic surfactant containing personal cleansing composition.
- an anionic emulsifier forms a micro structure with a specified cationic deposition polymer at the external surface of the microcapsules, i.e., the anionic emulsifier is at least a part of the external surface of the microcapsules, or is physically or chemically bound to the external surface of the microcapsules.
- Such physical bindings include, for example, hydrogen bonding, ionic interactions, hydrophobic interactions, and electron transfer interactions.
- Such chemical bindings include, for example, covalent bindings such as covalent grafting and crosslinking.
- the anionic emulsifier is present at a level by weight of from about 0.1% to about 40%, from about 0.5% to about 10%, or from about 0.5% to about 5%, by weight of the polyacrylate microcapsule.
- anionic emulsifiers can be used in the personal cleansing composition of the present invention as described below.
- the anionic emulsifiers include, by way of illustrating and not limitation, water-soluble salts of alkyl sulfates, alkyl ether sulfates, alkyl isothionates, alkyl carboxylates, alkyl sulfosuccinates, alkyl succinamates, alkyl sulfate salts such as sodium dodecyl sulfate, alkyl sarcosinates, alkyl derivatives of protein hydrolyzates, acyl aspartates, alkyl or alkyl ether or alkylaryl ether phosphate esters, sodium dodecyl sulphate, phospholipids or lecithin, or soaps, sodium, potassium or ammonium stearate, oleate or palmitate, alkylarylsulfonic acid salts such as sodium dodecylbenzenes
- anionic emulsifiers that have acrylate functionality since these can be covalently linked to the shell portion of the polyacrylate microcapsules during the microcapsule making process.
- Anionic emulsifiers useful herein include, but aren't limited to: poly(meth)acrylic acid; copolymers of (meth)acrylic acids and its (meth)acrylates with CI -22 alkyl, C1-C8 alkyl, butyl; copolymers of (meth)acrylic acids and (meth)acrylamide; Carboxyvinylpolymer; acrylate copolymers such as Acrylate/C 10-30 alkyl acrylate crosspolymer, Acrylic acid/vinyl ester copolymer/ Acrylates/Vinyl Isodecanoate crosspolymer, Acrylates/Palmeth- 25 Acrylate copolymer, Acrylate/Steareth-20 Itaconate copolymer, and Acrylate/C
- Neutralizing agents may be included to neutralize the anionic emulsifiers herein.
- Non- limiting examples of such neutralizing agents include sodium hydroxide, potassium hydroxide, ammonium hydroxide, monoethanolamine, diethanolamine, triethanolamine, diisopropanolamine, aminomethylpropanol, tromethamine, tetrahydroxypropyl ethylenediamine, and mixtures thereof.
- anionic emulsifiers include, for example, Carbomer supplied from Noveon under the tradename Carbopol 981 and Carbopol 980; Acrylates/C 10-30 Alkyl Acrylate Crosspolymer having tradenames Pemulen TR-1, Pemulen TR-2, Carbopol 1342, Carbopol 1382, and Carbopol ETD 2020, all available from Noveon; sodium carboxymethylcellulose supplied from Hercules as CMC series; and Acrylate copolymer having a tradename Capigel supplied from Seppic.
- anionic emulsifiers are carboxymethylcelluloses.
- microencapsulation Various processes for microencapsulation, and exemplary methods and materials, are set forth in U.S. Patent 6,592,990; U.S. Patent 2,730,456; U.S. Patent 2,800,457; U.S. Patent 2,800,458; and U.S. Patent 4,552,811.
- the present invention teaches a low permeability microcapsule comprising a core material and a wall material at least partially surrounding, and in one embodiment, completely surrounding, a core material.
- the polyacrylate microcapsules are benefit agent microcapsule particulates which encapsulate benefit agents by capsule wall materials comprised of polymers.
- Capsule wall materials useful herein include, for example, those formed from melamine- formaldehyde or urea-formaldehyde condensates, melamine-resorcinol or urea-resorcinol condensates, as well as similar types of aminoplasts, gelatin, polyurethane, polyamide, polyolefin, polysaccaharide, protein, silicone, lipid, modified cellulose, gums, polyacrylate, polyphosphate, polystyrene, and polyesters, or combinations of these materials.
- a wall material that provides low permeability is polyacrylate.
- the benefit agents of the core may comprise a material selected from the group consisting of perfumes; brighteners; enzymes; perfumes; skin care agents, conditioning agents, moisturizers, thickeners; anti-microbial agents; sensates in one aspect a cooling agent; attractants, in one aspect a pheromone; anti-bacterial agents; dyes; pigments; bleaches; and mixtures thereof.
- the present invention may further comprise one or more anti-fungal or anti-microbial actives.
- the antimicrobial bar composition can include from about 0.001% to about 5%, in another embodiment from about 0.01 to about 1.5%, and in another embodiment from about 0.1% to about 1%, by weight of the personal cleansing composition, of the antibacterial agents.
- antimicrobial agents examples include a pyrithione or a polyvalent metal salt of pyrithione such as a zinc salt of l-hydroxy-2-pyridinethione (known as "zinc pyrithioneā or āZPTā), carbanilides, for example, triclocarban (also known as trichlorocarbanilide), triclosan, a halogenated diphenylether available as DP-300 from Ciba-Geigy, hexachlorophene, 3,4,5-tribromosalicylanilide, and salts of 2-pyridinethiol-l -oxide, salicylic acid and other organic acids.
- a pyrithione or a polyvalent metal salt of pyrithione such as a zinc salt of l-hydroxy-2-pyridinethione (known as "zinc pyrithioneā or āZPT)
- carbanilides for example, triclocarban (also known as trichlorocarbanilide), tric
- the polyacrylate microcapsules useful herein are those releasing the benefit agents for a period of time after initial application.
- Potential trigger mechanisms for release of the encapsulated benefit agents may include, but are not limited to, mechanical forces, dehydration, light, pH, temperature, or even changes in ionic strength.
- An anionic polyacrylate microcapsule can be formed by either: (1) coating an already formed microcapsule with an anionic emulsifier; or (2) adding the anionic emulsifier to the microcapsule during the microcapsule making process. Any known method for generating a microcapsule is useful herein. Example methods for making polyacrylate microcapsules are disclosed in U.S. Patent Application 61/328949; U.S. Patent Application 61/328954; U.S. Patent Application 61/328962; and U.S. Patent Application 61/328967.
- polyacrlyate microcapsules are formed from water in oil, or oil in water emulsifications.
- a first composition is prepared as an oil phase.
- the oil phase may comprise oil; an oil soluble or dispersible primary, secondary, or tertiary amine; a multifunctional acrylate or methacrylate monomer or oligomer; an oil soluble acid; an initiator, and combinations thereof.
- a nitrogen blanket is employed while the solution is mixed. Gradually, the temperature is increased to create a first composition reaction product. After the first composition reaction product is formed, a second composition is added to the reaction product.
- the second composition is prepared as a water phase.
- the water phase may comprise water; an emulsifier that may be water soluble or water dispersible polymer or copolymer; at least one water phase initiator; one or more of an alkali or alkali salt, and combinations thereof.
- water phase initiator it is meant that the initiator is soluble or dispersible in water.
- the second composition is then added to the oil solution of the first composition reaction product. This addition creates an oil-in-water emulsion.
- the reaction of the first composition in the presence of the second composition results in the formation of a low permeability microcapsule wall.
- the emulsion is further heated for a time and temperature sufficient to decompose the free radicals which are present in either one or both of the oil and water phases.
- the polymerization of the monomers and oligomers in the oil phase causes a precipitation of the polymerized material.
- the precipitation of microcapsule wall material forms at the interface of the water and oil phases.
- the anionic polyacrylate microcapsule is contained in the composition at a level by weight of from about 0.01% to about 50%, from about 0.05% to about 10%, from about 0.1% to about 8%, or from about 0.25% to 3%.
- the anionic polyacrylate microcapsules useful herein are those having a particle size of from about 1 micron to about 80 microns, from about 2 microns to about 50 microns, and from about 5 microns to about 30 microns.
- the anionic emulsifier is added to an already formed polyacrylate microcapsule.
- the anionic emulsifier attaches to the surface of the microcapsule through hydrogen bonding, van der Waals forces, ionic interactions, hydrophobic interactions, or chemical reactions.
- the anionic emulsifier surrounds at least a part of the external surface of the polyacrylate microcapsule, or is physically or chemically bound to the external surface of the polyacrylate microcapsule.
- the anionic emulsifier associates with the microcapsule surface during the microcapsule making process.
- the anionic emulsifier is solubilized in an aqueous phase, which may optionally contain a free radical initiator, prior to emulsification of the oil.
- the excess aqueous phase is then added to the oil phase to form an oil-in- water emulsion.
- the emulsion is then heated for a time and at a temperature sufficient to decompose the free radicals which are positioned in one or both of the oil and aqueous phases.
- Microcapsule wall material is thereby formed at the interface of the water and oil phases.
- the emulsifier when the emulsifier is comprised of acrylate moieties, the emulsifier may become chemically bound to the interfacial wall material.
- the anionic polyacrylate microcapsule is added to a specific cationic deposition polymer to form a premix. It has been surprisingly found that the anionic charge on the polyacrylate microcapsule leads to the formation of a microstmcture on the shell of the microcapsule when combined with a cationic deposition polymer in the premix.
- This premix exhibits anionic polyacrylate microcapsules that have a higher viscoelasticity to the hair and/or skin than microcapsules without an anionic charge and specific cationic deposition polymer thus giving a benefit to the situs.
- the anionic polyacrylate microcapsules are contained in a slurry.
- the slurry may be combined with an adjunct ingredient to form a composition, for example, a conditioning consumer product.
- the slurry may comprise one or more processing aids, selected from the group consisting of water, aggregate inhibiting materials such as divalent salts; particle suspending polymers such as xanthan gum, guar gum, and caboxy methyl cellulose.
- processing aids may be selected from the group consisting of amphoteric surfactants such as cocamidopropyl betaine (CAPB), zwitterionic surfactants, cationic swellable polymers, latex particles such as acrylic based ester Rheovis CDE, and mixtures thereof.
- CAPB cocamidopropyl betaine
- zwitterionic surfactants cationic swellable polymers
- latex particles such as acrylic based ester Rheovis CDE, and mixtures thereof.
- the slurry may comprise a carrier selected from the group consisting of polar solvents, including but not limited to, water, ethylene glycol, propylene glycol, polyethylene glycol, glycerol; nonpolar solvents, including but not limited to, mineral oil, perfume raw materials, silicone oils, hydrocarbon paraffin oils, and mixtures thereof.
- polar solvents including but not limited to, water, ethylene glycol, propylene glycol, polyethylene glycol, glycerol
- nonpolar solvents including but not limited to, mineral oil, perfume raw materials, silicone oils, hydrocarbon paraffin oils, and mixtures thereof.
- the anionic polyacrylate microcapsules are contained in an agglomerate with a second material.
- said second materials may comprise a material selected from the group consisting of silicas, citric acid, sodium carbonate, sodium sulfate, sodium chloride, and binders such as sodium silicates, modified celluloses, polyethylene glycols, polyacrylates, polyacrylic acids, zeolites and mixtures thereof.
- the personal cleansing composition of the present invention comprises a cationic deposition polymer that forms a premix when added to the anionic polyacrylate microcapsules.
- a cationic deposition polymer that forms a premix when added to the anionic polyacrylate microcapsules.
- Any known natural or synthetic cationic deposition polymer can be used herein. Examples include those polymers disclosed in U.S. Patent 6,649,155; U.S. Patent Application 12/103,902; U.S. Patent Publication 2008/0206355; and U.S. Patent Publication No. 2006/0099167A1.
- the cationic deposition polymer is included in the composition at a level from about 0.01% to about 2%, in one embodiment from about 1.5% to about 1.9%, in another embodiment from about 1.8% to about 2.0%, in view of providing the benefits of the present invention.
- the cationic deposition polymer is a water soluble polymer with a charge density from about 0.5 milliequivalents per gram to about 12 milliequivalents per gram.
- the cationic deposition polymer used in the composition has a molecular weight of about 100,000 Daltons to about 5,000,000 Daltons.
- the cationic deposition polymer is a low charge density cationic polymer.
- the cationic deposition polymer is a synthetic cationic deposition polymer.
- a variety of synthetic cationic deposition polymers can be used including mono- and di- alkyl chain cationic surfactants.
- mono-alkyl chain cationic surfactants are chosen including, for example, mono-alkyl quaternary ammonium salts and mono-alkyl amines.
- di-alkyl chain cationic surfactants include, for example, dialkyl (14-18) dimethyl ammonium chloride, ditallow alkyl dimethyl ammonium chloride, dihydrogenated tallow alkyl dimethyl ammonium chloride, distearyl dimethyl ammonium chloride, dicetyl dimethyl ammonium chloride, and mixtures thereof.
- the cationic deposition polymer is a naturally derived cationic polymer.
- naturally derived cationic polymer refers to cationic deposition polymers which are obtained from natural sources.
- the natural sources may be polysaccharide polymers. Therefore, the naturally derived cationic polymer may be selected from the group comprising starches, guar, cellulose, Cassia, locust bean, Konjac, Tara, galactomannan, tapioca, and synthetic polymers.
- cationic deposition polymers are selected from Mirapol 100S (Rhodia), Jaguar C17, polyDADMAC, Tapioca starch (Akzo), polyTriquat, and mixtures thereof. Forming a Premix
- the cationic deposition polymer and the anionic polyacrylate microcapsule are mixed to form a premix before addition to the personal cleansing composition comprising a detersive surfactant and a carrier.
- the weight ratio of the anionic polyacrylate microcapsule to the cationic deposition polymer (based on the dry weight of the anionic microcapsules and the dry weight of the cationic deposition polymer) is from about 0.5:30 to about 20: 1, from about 5: 15 to about 15: 1, and from about 5: 1 to about 12: 1. It is believed that too much cationic polymer may not provide enhanced and/or prolonged benefits to the benefit agent microcapsules due to the formation of excess cationic polymer coating on the capsule wall. This excess coating may prevent the microcapsule wall from breaking and releasing the benefit agents.
- Microcapsules and anionic emulsifiers may be dispersed in solvents such as water while mixing with the cationic deposition polymer.
- the amount of water present is from about 90% to about 50%, in another embodiment from about 70% to about 50%, and in another embodiment from about 60% to about 50%.
- the anionic emulsifiers associate with the microcapsule walls to form anionic polyacrylate microcapsules prior to their mixing with cationic deposition polymers.
- the detersive composition can be all aqueous phase or may comprise both an oil phase and an aqueous phase. In one embodiment, the detersive composition has both an oil phase and an aqueous phase. After being added to the detersive composition, the polyacrylate microcapsules reside in the aqueous phase of such embodiments.
- the detersive composition may comprise any combination of the following components:
- the personal cleansing composition of the present invention includes a detersive surfactant.
- the detersive surfactant provides cleaning performance to the composition.
- the detersive surfactant in turn comprises anionic, nonionic, cationic, zwitterionic, amphoteric surfactants, soap, or combinations thereof.
- Various examples and descriptions of detersive surfactants are set forth in U.S. Patent 6,649,155; U.S. Patent Application 12/103,902; and U.S. Patent Publication 2008/0206355, and are incorporated herein for reference.
- the concentration of the anionic surfactant component in the cleansing composition should be sufficient to provide the desired cleaning and lather performance, and generally ranges from about 2% to about 50%, from about 8% to about 30%, from about 10% to about 25%, or from about 12% to about 22%.
- the surfactant can comprise one or more linear anionic surfactants such as ammonium lauryl sulfate, ammonium laureth sulfate, sodium lauryl sulfate, sodium laureth sulfate, potassium laureth sulfate, sodium lauryl sarcosinate, sodium lauroyl sarcosinate, lauryl sarcosine, cocoyl sarcosine, ammonium cocoyl sulfate, potassium lauryl sulfate, and combinations thereof.
- linear anionic surfactants such as ammonium lauryl sulfate, ammonium laureth sulfate, sodium lauryl sulfate, sodium laureth sulfate, potassium laureth sulfate, sodium lauryl sarcosinate, sodium lauroyl sarcosinate, lauryl sarcosine, cocoyl sarcosine, ammonium cocoyl
- the surfactant comprises sodium laureth(n) sulfate, hereinafter SLEnS, where n defines the average moles of ethoxylation.
- n ranges from greater than 0 to 8, alternatively from about 1 to about 3, alternatively about 1. It is understood that a material such as SLEnS, for example, can comprise a significant amount of molecules which have no ethoxylate, 1 mole ethoxylate, 2 mole ethoxylate, 3 mole ethoxylate, and so on in a distribution which can be broad, narrow or truncated.
- SLE1S can comprise a significant amount of molecules which have no ethoxylate, 1 mole ethoxylate, 3 mole ethoxylate, and so on in a distribution which can be broad, narrow or truncated and still comprise SLE1S where the average of the distribution is about 1.
- the surfactant can also comprises one or more branched anionic surfactants and monomethyl branched anionic surfactants such as sodium trideceth sulfate, sodium tridecyl sulfate, sodium C 12 - 13 alkyl sulfate, and C 12 - 13 pareth sulfate and sodium C 12 - 13 pareth- Ā« sulfate.
- branched anionic surfactants such as sodium trideceth sulfate, sodium tridecyl sulfate, sodium C 12 - 13 alkyl sulfate, and C 12 - 13 pareth sulfate and sodium C 12 - 13 pareth- Ā« sulfate.
- Suitable amphoteric or zwitterionic detersive surfactants for use in the personal cleansing composition herein include those which are known for use in personal care cleansing. Concentrations of such amphoteric detersive surfactants range from about 0.5% to about 20%, and from about 1% to about 10%. Non limiting examples of suitable zwitterionic or amphoteric surfactants are described in U.S. Pat. Nos. 5,104,646 (Bolich Jr. et al.), 5,106,609 (Bolich Jr. et al.).
- Amphoteric surfactant suitable for use in the personal cleansing composition described herein include those that are broadly described as derivatives of aliphatic secondary and tertiary amines in which the aliphatic radical can be straight or branched chain and wherein one of the aliphatic substituents contains from about 8 to about 18 carbon atoms and one contains an anionic water solubilizing group, e.g., carboxy, sulfonate, sulfate, phosphate, or phosphonate.
- Examples of compounds falling within this definition include sodium 3-dodecyl-aminopropionate, sodium 3- dodecylaminopropane sulfonate, sodium lauryl sarcosinate, N-alkyltaurines such as the one prepared by reacting dodecylamine with sodium isethionate according to the teaching of U.S. Pat. No. 2,658,072, N-higher alkyl aspartic acids such as those produced according to the teaching of U.S. Pat. No. 2,438,091, and the products described in U.S. Pat. No. 2,528,378.
- the surfactant included in the personal cleansing composition described herein can comprise an amphoteric surfactant that is selected from the group consisting of sodium lauroamphoacetate, sodium cocoamphoactetate, disodium lauroamphoacetate disodium cocodiamphoacetate, and mixtures thereof.
- Zwitterionic surfactants suitable for use in the surfactant of the personal cleansing composition described herein include those that are broadly described as derivatives of aliphatic quaternary ammonium, phosphonium, and sulfonium compounds, in which the aliphatic radicals can be straight or branched chain, and wherein one of the aliphatic substituents contains from about 8 to about 18 carbon atoms and one contains an anionic group, e.g., carboxy, sulfonate, sulfate, phosphate, or phosphonate.
- the zwitterionic surfactant included in the personal cleansing composition described herein can comprise one or more betaines such as cocoamidopropyl betaine.
- compositions of the present invention can be in the form of pourable liquids (under ambient conditions). Such compositions will therefore typically comprise an aqueous carrier, which is present at a level of from about 20% to about 95%, or even from about 60% to about 85%.
- the aqueous carrier may comprise water, or a miscible mixture of water and organic solvent, and in one aspect may comprise water with minimal or no significant concentrations of organic solvent, except as otherwise incidentally incorporated into the composition as minor ingredients of other essential or optional components.
- the carrier useful in the present invention includes water and water solutions of lower alkyl alcohols and polyhydric alcohols.
- the lower alkyl alcohols useful herein are monohydric alcohols having 1 to 6 carbons, in one aspect, ethanol and isopropanol.
- the polyhydric alcohols useful herein include propylene glycol, hexylene glycol, glycerin, and propane diol.
- the personal cleansing compositions of the present invention can be prepared by the process comprising: 1) coating a polyacrylate microcapsule with an anionic emulsifier to form an anionic polyacrylate microcapsule; 2) combining the anionic polyacrylate microcapsule with a cationic deposition polymer to form a premix; and 3) adding the premix to a detersive composition comprising surfactant and a carrier.
- the personal cleansing compositions of the present invention can be prepared by the process comprising: 1) coating a polyacrylate microcapsule with an anionic emulsifier to form an anionic polyacrylate microcapsule; 2) combining the anionic polyacrylate microcapsule with a cationic deposition polymer to form a premix; 3) adding the premix to a anionic surfactant; and 4) adding the resulting composition of step (3) to a detersive composition comprising surfactant and a carrier.
- an anionic emulsifier is covalently bonded to the outer wall of the polyacrylate microcapsule by incorporating the anionic emulsifier during the microcapsule making process.
- the anionic emulsifier is added to the slurry comprising a fully formed polyacrylate microcapsule.
- a cationic deposition polymer is then added to the anionic microcapsule to form a viscoelastic premix. When this premix is then combined with an anionic surfactant, an association of polymers forms a microstructure on the anionic polyacrylate microcapsule wall. The microstructure forms even upon dilution of the personal cleansing composition.
- the high viscosity of the polymer association microstructure results in an anionic polyacrylate microcapsule that maintains its microcapsule structure even upon dilution of the personal cleansing composition.
- the microcapsule structure provides multiple points of contact to the substrate which works to increase the amount of time the microcapsule is on the situs.
- polyacrylate microcapsules of the present invention can be formulated into any suitable form and prepared by any process chosen by the formulator, non-limiting examples of which are described in U.S. 5,879,584; U.S. 5,691,297; U.S. 5,574,005; U.S. 5,569,645; U.S. 5,565,422; U.S. 5,516,448; U.S. 5,489,392; U.S. 5,486,303 all of which are incorporated herein by reference.
- Product Forms are described in U.S. 5,879,584; U.S. 5,691,297; U.S. 5,574,005; U.S. 5,569,645; U.S. 5,565,422; U.S. 5,516,448; U.S. 5,489,392; U.S. 5,486,303 all of which are incorporated herein by reference.
- the personal cleansing compositions of the present invention can be in the form of rinse-off products or leave-on products, and can be formulated in a wide variety of product forms, including but not limited to creams, gels, emulsions, mousses and sprays.
- the personal cleansing composition is in the form of a gel comprising less than about 45% water.
- the gel may have a neat viscosity of about 1,000 cps to about 10,000 cps.
- the neat viscosity of a gel can be defined as the viscosity of the fluid at a shear rate of 1/sec. Scientifically, viscosity is the ratio of shear stress to shear rate. In some embodiments, the range of shear rates for gels is from 0.01/sec to 10/sec.
- Neat viscosity of the gel product form can be measured with a rheometer according to the following method:
- the personal cleansing composition may include a structured cleansing phase and a benefit phase.
- the structured cleansing phase and the benefit phase can be in physical contact.
- the personal cleansing composition can be a multiphase personal cleansing composition where the structured cleansing phase and the benefit phase can be blended or mixed to a significant degree, but still be physically distinct such that the physical distinctiveness is undetectable to the naked eye.
- the personal cleansing composition can be a multiphase personal cleansing composition where the structured cleansing phase and the benefit phase can be made to occupy separate but distinct physical spaces inside a package in which the phases can be stored.
- the structured cleansing phase and the benefit phase can be stored such that the phases are not in direct contact with one another.
- the personal cleansing composition can be a multiphase personal cleansing composition where the structured cleansing phase and the benefit phase are in physical contact and can have a striped or marbled configuration.
- the personal cleansing composition can include a combination of one or more of the above multiphase personal cleansing compositions.
- one blended multiphase personal cleansing composition can be stacked as stripes with another blended multiphase personal cleansing composition.
- blended multiphase personal cleansing compositions distinguishable by color can be stacked as stripes wherein the blended multiphase personal cleansing compositions can be otherwise similar.
- test methods that are disclosed in the Test Methods Section of the present application should be used to determine the respective values of the parameters of Applicants' invention as such invention is described and claimed herein.
- ClogP The "calculated logPā (ClogP) is determined by the fragment approach of Hansch and Leo (cf., A. Leo, in Comprehensive Medicinal Chemistry, Vol. 4, C. Hansch, P.G. Sammens, J.B. Taylor, and C.A. Ramsden, Eds. P. 295, Pergamon Press, 1990, incorporated herein by reference). ClogP values may be calculated by using the "CLOGP" program available from Daylight Chemical Information Systems Inc. of Irvine, California U.S.A..
- Boiling point is measured by ASTM method D2887-04a, "Standard Test Method for Boiling Range Distribution of Petroleum Fractions by Gas Chromatography," ASTM International.
- Particle size is measured using an Accusizer 780A, made by Particle Sizing Systems, Santa
- Samples for particle size evaluation are prepared by diluting about lg of capsule slurry in about 5g of de-ionized water and further diluting about lg of this solution in about 25g of water.
- the Accusizer should be reading in excess of 9200 counts/second. If the counts are less than 9200 additional sample should be added. The accusizer will dilute the test sample until 9200 counts/second and initiate the evaluation. After 2 minutes of testing the Accusizer will display the results, including volume-weighted median size.
- Equipment specifications Malvern Zeatasizer Nano Model ZEN3600 Sample cell, disposable capillary cell (green cell) (2) Use Duke standards to measure the PSD, and use it to measure the zeta potential to assure that the instrument is functioning properly.
- Sample preparation first, filter 20 mL DI water through 0.2 micron filter into a 20 mL vial.
- a perfume composition called Scent A, is utilized to prepare the examples of the invention.
- the table below lists the ingredients, and their properties.
- Table 2 provides the ClogP breakdown of the perfume oil composition.
- An oil solution consisting of 75g Fragrance Oil scenta, 75g of Isopropyl Myristate, 0.6g
- DuPont Vazo-52 and 0.4g DuPont Vazo-67, is added to a 35Ā°C temperature controlled steel jacketed reactor, with mixing at 1000 rpm (4 tip, 2" diameter, flat mill blade) and a nitrogen blanket applied at lOOcc/min.
- the oil solution is heated to 75Ā°C in 45 minutes, held at 75Ā°C for 45 minutes, and cooled to 60Ā°C in 75 minutes.
- a second oil solution consisting of 37.5g Fragrance Oil, 0.5g tertiarybutylaminoethyl methacrylate, 0.4g 2-carboxyethyl acrylate, and 20g Sartomer CN975 (hexafunctional urethane- acrylate oligomer) is added when the first oil solution reached 60Ā°C.
- the combined oils are held at
- Celvol 540 solution in water 244g water, l.lg 20% NaOH, and 1.2g DuPont Vazo-68WSP, is added to the bottom of the oil solution, using a funnel.
- Mixing is again started, at 2500 rpm, for 60 minutes to emulsify the oil phase into the water solution. After milling is completed, mixing is continued with a 3" propeller at 350 rpm. The batch is held at 60Ā°C for 45 minutes, the temperature is increased to 75Ā°C in 30 minutes, held at 75Ā°C for
- the finished microcapsules have a median particle size of 6.4 microns, a broadness index of 1.3, and a zeta potential of negative 0.5 millivolts, and a total scent A concentration of 27.6wt%.
- Capsules are made using identical materials, compositions, and process conditions as in Example 1 with the following exceptions: 1 gram of Vazo-52, 0.8 grams of Vazo-67, 0.3 grams of tertiarybutylaminoethyl methacrylate, 0.25 grams of 2-carboxyethyl acrylate, and 12 grams of Sartomer CN975 as compositional differences in the oil phase; and 22 grams of 25% active Colloid 351, and 308 grams of water as compositional differences in the water phase. All other mixing and process conditioner remains the same.
- the finished microcapsules have a median particle size of 10.7 microns, a broadness index of 1.5, and a zeta potential of negative 60 milivolts, and a total scent A concentration of 34.9wt%.
- EXAMPLE 3 Anionic Microcapsule, small particle size (TAS 1123101)
- Capsules are made using identical materials, compositions, and process conditions as in Example 1 with the following exceptions: 1 gram of Vazo-52, 0.8 grams of Vazo-67, 1.5 grams of tertiarybutylaminoethyl methacrylate, 1.2 grams of 2-carboxyethyl acrylate, and 60 grams of Sartomer CN975 as compositional differences in the oil phase; and 68 grams of 25% active Colloid 351, and 282 grams of water as compositional differences in the water phase. All other mixing and process conditioner remains the same.
- the finished microcapsules have a median particle size of 1.4 microns, a broadness index of 1.2, and a zeta potential of negative 60 milivolts, and a total scent A concentration of 20.7wt%.
- TAS 1101101 Anionic Microcapsule
- Capsules are made using identical materials, compositions, and process conditions as in Example 2 with the following exceptions: 1 gram of tertiarybutylaminoethyl methacrylate, 0.8 grams of 2-carboxyethyl acrylate, and 40 grams of Sartomer CN975 as compositional differnces in the oil phase; and 22 grams of 25% active Colloid 351, and 282 grams of water as compositional differences in the water phase. All other mixing and process conditioners remain the same.
- the finished microcapsules have a median particle size of 4.8 microns, a broadness index of 1.3, and a zeta potential of negative 60 milivolts, and a total scent A concentration of 23.5wt%.
- EXAMPLE 5 Body Cleansing Composition
- microcapsules of Example 1, 2, and 4 are formulated into a body cleansing composition.
- the anionic microcapsules of example 2 and 4 are first mixed with a 15wt% solution of tapioca starch (Akzo) to form a viscoelastic mixture:
- This premix is then added to the body cleansing composition below, mixed at 1900 RPM for 1 minute using a DAFC 400FVZ speed mixer.
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Abstract
Description
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WO2012138710A3 (en) | 2013-01-10 |
WO2012138710A2 (en) | 2012-10-11 |
JP2014510142A (en) | 2014-04-24 |
US20120276175A1 (en) | 2012-11-01 |
MX2013010980A (en) | 2013-10-30 |
CN103458859A (en) | 2013-12-18 |
JP2016128499A (en) | 2016-07-14 |
JP6283607B2 (en) | 2018-02-21 |
US9162085B2 (en) | 2015-10-20 |
EP2694017B1 (en) | 2019-05-22 |
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